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FAT32 disk is much faster but I can't see why



 
 
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  #1  
Old March 14th 07, 09:24 AM posted to microsoft.public.win98.disks.general
[email protected]
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Posts: 3
Default FAT32 disk is much faster but I can't see why

I have a PC with 98SE and two hard disks.
One is FAT16 the other FAT32. I tried a disk diagnostic
program yesterday, and it said the FAT32 disk was scoring
almost 3 times as many bytes/second as the FAT16!
Now I was told there is little difference in performance
if you change a disk from FAT16 to FAT32.
I looked at disk specifications: both are same RPM, same
size cache. The FAT32 disk has seek time 0.5 ms less than
the other. So why is is so much faster??????

  #3  
Old March 14th 07, 10:36 AM posted to microsoft.public.win98.disks.general
Jeff Richards
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Posts: 1,526
Default FAT32 disk is much faster but I can't see why

If it's a disk diagnostic then any difference in performance should be a
result of differences in the disks, not the file system. Many factors
affect disk drive performance in addition to rotation speed and seek times,
but the most important question to ask would be exactly what that diagnostic
is testing. There are a lot of different measures of disk performance. And
of course it's possible that the disk diagnostic is actually being affected
by the file system, in which case knowing exactly what is being tested is
even more important.
--
Jeff Richards
MS MVP (Windows - Shell/User)
wrote in message
oups.com...
I have a PC with 98SE and two hard disks.
One is FAT16 the other FAT32. I tried a disk diagnostic
program yesterday, and it said the FAT32 disk was scoring
almost 3 times as many bytes/second as the FAT16!
Now I was told there is little difference in performance
if you change a disk from FAT16 to FAT32.
I looked at disk specifications: both are same RPM, same
size cache. The FAT32 disk has seek time 0.5 ms less than
the other. So why is is so much faster??????



  #4  
Old March 15th 07, 12:07 AM posted to microsoft.public.win98.disks.general
philo
External Usenet User
 
Posts: 1,318
Default FAT32 disk is much faster but I can't see why


wrote in message
oups.com...
I have a PC with 98SE and two hard disks.
One is FAT16 the other FAT32. I tried a disk diagnostic
program yesterday, and it said the FAT32 disk was scoring
almost 3 times as many bytes/second as the FAT16!
Now I was told there is little difference in performance
if you change a disk from FAT16 to FAT32.
I looked at disk specifications: both are same RPM, same
size cache. The FAT32 disk has seek time 0.5 ms less than
the other. So why is is so much faster??????



The true test would be to convert the fat16 drive to fat32...
chances are the speed would not change...
it's simply that the drives themselves have differences


 




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